1403204234432 has 448 divisors, whose sum is σ = 3796114775040. Its totient is φ = 496945152000.

The previous prime is 1403204234431. The next prime is 1403204234449. The reversal of 1403204234432 is 2344324023041.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1403204234431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1481735783 + ... + 1481736729.

It is an arithmetic number, because the mean of its divisors is an integer number (8473470480).

Almost surely, 2^{1403204234432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403204234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898057387520).

1403204234432 is an abundant number, since it is smaller than the sum of its proper divisors (2392910540608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1403204234432 is a wasteful number, since it uses less digits than its factorization.

1403204234432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1403204234432 its reverse (2344324023041), we get a palindrome (3747528257473).

The spelling of 1403204234432 in words is "one trillion, four hundred three billion, two hundred four million, two hundred thirty-four thousand, four hundred thirty-two".